#include"stdio.h"
typedef unsigned char *byte_pointer;


void show_bytes(byte_pointer start,int len)
  {
    int i;
    for(i=0;i<len;i++)
         { 
            printf("%.2x",start[i]);
         }
printf("\n");
}
void show_int(int x)
{
  show_bytes((byte_pointer)&x,sizeof(int));
}
void show_float(float x)
{
 show_bytes((byte_pointer)&x,sizeof(float));
}
void show_pointer(void *x){
show_bytes((byte_pointer)&x,sizeof(void *));
}
void main()
{
  int val=0x87654321;
  show_int(val);
  show_float((float)val);
  show_pointer(&val);
}

